Panasonic KX-TD816 Installation Manual page 81

3.
Hook the cabinet on the main unit and slide the cabinet to the left until it is secured.
4.
Loosen the outside screw and slide the cover to the right.
5.
Secure the inside screw (included) to fix the cabinet to the main unit.
Note
Be sure to fix the inside screw to the main unit, or the unit may not work properly.
General Installation
Outside screw
Inside screw
2.4 Installation of Optional Cards and Unit
81